// Gets node root filesystem information, which will be used to populate
	// the available and capacity bytes/inodes in container stats.
	rootFsInfo, err := p.cadvisor.RootFsInfo()
	if err != nil {
		return nil, fmt.Errorf("failed to get rootFs info: %v", err)
	}

	containerMap, podSandboxMap, err := p.getPodAndContainerMaps(ctx)
	if err != nil {

	ps *statsapi.PodStats, fsIDtoInfo map[runtimeapi.FilesystemIdentifier]*cadvisorapiv2.FsInfo,
	containerMap map[string]*runtimeapi.Container,
	podSandbox *runtimeapi.PodSandbox,
	rootFsInfo *cadvisorapiv2.FsInfo, updateCPUNanoCoreUsage bool) error {
	return nil
}

func addCRIPodNetworkStats(ps *statsapi.PodStats, criPodStat *runtimeapi.PodSandboxStats) {
}

	mockCadvisor := cadvisortest.NewMockInterface(mockCtrl)
	rootfs := cadvisorapiv2.FsInfo{
		Capacity: 8000,
	}
	mockCadvisor.EXPECT().RootFsInfo().Return(rootfs, nil)
	mockCadvisorError := cadvisortest.NewMockInterface(mockCtrlError)
	mockCadvisorError.EXPECT().RootFsInfo().Return(cadvisorapiv2.FsInfo{}, errors.New("Unable to get rootfs data from cAdvisor interface"))
	cases := []struct {
		name                                 string

	// Returns usage information about the filesystem holding container images.
	ImagesFsInfo() (cadvisorapiv2.FsInfo, error)

	// Returns usage information about the root filesystem.
	RootFsInfo() (cadvisorapiv2.FsInfo, error)

	// Returns usage information about the writeable layer.
	// KEP 4191 can separate the image filesystem
	ContainerFsInfo() (cadvisorapiv2.FsInfo, error)

	return cadvisorapiv2.FsInfo{}, nil
}

func (cu *cadvisorClient) ContainerFsInfo() (cadvisorapiv2.FsInfo, error) {
	return cadvisorapiv2.FsInfo{}, nil
}

func (cu *cadvisorClient) RootFsInfo() (cadvisorapiv2.FsInfo, error) {
	return cu.GetDirFsInfo(cu.rootPath)
}

func (cu *cadvisorClient) GetDirFsInfo(path string) (cadvisorapiv2.FsInfo, error) {
	return cu.winStatsClient.GetDirFsInfo(path)

	return nil, errUnsupported
}

func (cu *cadvisorUnsupported) ImagesFsInfo() (cadvisorapiv2.FsInfo, error) {
	return cadvisorapiv2.FsInfo{}, errUnsupported
}

func (cu *cadvisorUnsupported) RootFsInfo() (cadvisorapiv2.FsInfo, error) {
	return cadvisorapiv2.FsInfo{}, errUnsupported
}

func (cu *cadvisorUnsupported) ContainerFsInfo() (cadvisorapiv2.FsInfo, error) {
	return cadvisorapiv2.FsInfo{}, errUnsupported
}

	// Gets node root filesystem information and image filesystem stats, which
	// will be used to populate the available and capacity bytes/inodes in
	// container stats.
	rootFsInfo, err := p.cadvisor.RootFsInfo()
	if err != nil {
		return nil, fmt.Errorf("failed to get rootFs info: %v", err)
	}
	imageFsInfo, err := p.cadvisor.ImagesFsInfo()
	if err != nil {

	runtimeService internalapi.RuntimeService,
	localStorageCapacityIsolation bool) error {
	klog.V(2).InfoS("Starting Windows container manager")

	if localStorageCapacityIsolation {
		rootfs, err := cm.cadvisorInterface.RootFsInfo()
		if err != nil {
			return fmt.Errorf("failed to get rootfs info: %v", err)
		}
		for rName, rCap := range cadvisor.EphemeralStorageCapacityFromFsInfo(rootfs) {
			cm.capacity[rName] = rCap
		}
	}

	label, err := cc.imageFsInfoProvider.ImageFsInfoLabel()
	if err != nil {
		return cadvisorapiv2.FsInfo{}, err
	}
	return cc.getFsInfo(label)
}

func (cc *cadvisorClient) RootFsInfo() (cadvisorapiv2.FsInfo, error) {
	return cc.GetDirFsInfo(cc.rootPath)
}

func (cc *cadvisorClient) getFsInfo(label string) (cadvisorapiv2.FsInfo, error) {
	res, err := cc.GetFsInfo(label)
	if err != nil {

			if cm.cadvisorInterface != nil {
				rootfs, err := cm.cadvisorInterface.RootFsInfo()
				if err != nil {
					klog.ErrorS(err, "Unable to get rootfs data from cAdvisor interface")
					// If the rootfsinfo retrieval from cAdvisor fails for any reason, fallback to returning the capacity property with no ephemeral storage data
					return cm.capacity
				}